feat: 增强管理员权限管理，添加 RBAC 支持，更新 AdminUser 模型以处理角色和权限，更新登录接口返回权限信息，扩展数据库填充器以同步角色权限

app/Http/Controllers/Api/V1/Admin/Reconcile/ReconcileItemIndexController.php

@@ -0,0 +1,44 @@
+<?php
+
+namespace App\Http\Controllers\Api\V1\Admin\Reconcile;
+
+use App\Http\Controllers\Controller;
+use App\Models\ReconcileItem;
+use App\Models\ReconcileJob;
+use App\Support\ApiResponse;
+use Illuminate\Http\JsonResponse;
+use Illuminate\Http\Request;
+
+/** GET /api/v1/admin/reconcile-jobs/{reconcile_job}/items */
+final class ReconcileItemIndexController extends Controller
+{
+    public function __invoke(Request $request, ReconcileJob $reconcile_job): JsonResponse
+    {
+        $perPage = min(max((int) $request->integer('per_page', 50), 1), 200);
+        $page = max((int) $request->integer('page', 1), 1);
+
+        $paginator = $reconcile_job->items()
+            ->orderBy('id')
+            ->paginate($perPage, ['*'], 'page', $page);
+
+        return ApiResponse::success([
+            'job_id' => (int) $reconcile_job->id,
+            'job_no' => $reconcile_job->job_no,
+            'items' => collect($paginator->items())->map(fn (ReconcileItem $r) => [
+                'id' => (int) $r->id,
+                'side_a_ref' => $r->side_a_ref,
+                'side_b_ref' => $r->side_b_ref,
+                'difference_amount' => (int) $r->difference_amount,
+                'status' => $r->status,
+                'resolved_at' => $r->resolved_at?->toIso8601String(),
+                'created_at' => $r->created_at?->toIso8601String(),
+            ])->all(),
+            'meta' => [
+                'current_page' => $paginator->currentPage(),
+                'per_page' => $paginator->perPage(),
+                'total' => $paginator->total(),
+                'last_page' => $paginator->lastPage(),
+            ],
+        ]);
+    }
+}